Bump GitHub API to v1.68

Change-Id: I806a3e01225ab9cab58bcd247b8c2ceeafb9113c

github-oauth/pom.xml

diff --git a/github-oauth/pom.xml b/github-oauth/pom.xml
index fe43a82..e758496 100644
--- a/github-oauth/pom.xml
+++ b/github-oauth/pom.xml
@@ -107,7 +107,7 @@
     <dependency>
       <groupId>org.kohsuke</groupId>
       <artifactId>github-api</artifactId>
-      <version>1.62</version>
+      <version>1.68</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>